package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.debug("新增菜品");
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.debug("分页查询菜品");
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.debug("删除菜品");
        dishService.deleteBatch(ids);

        //将所有菜品缓存清理
        cleanCaChe("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.debug("根据ID查询菜品");
        DishVO dishVO=dishService.getByid(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.debug("修改菜品");
        dishService.update(dishDTO);


        //将所有菜品缓存清理
        cleanCaChe("dish_*");

        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("启售或停售菜品")
    public Result updateDishStatus(@PathVariable Integer status, @RequestParam Long id) {
        log.debug("修改菜品"+id+"状态为"+status);
        dishService.updateDishStatus(status,id);

        //将所有菜品缓存清理
        cleanCaChe("dish_*");
        return  Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据categoryId查询菜品")
    public Result<List<DishVO>> listByCategoryId(@RequestParam Integer categoryId){
        List<DishVO> result= dishService.listByCategoryId(categoryId);
        return Result.success(result);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCaChe(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
